can some one tell me how set the choke on my new carb ,, i first got it it was way too high on cold start so i tried to back it off and it came out of the housing,,, so i am trying to get it back in, does the spring piece go in front or behind of piece on the butter fly ???

thanks

1958 chevy biscayne
235 6 cyl 1 barrel
2 speed PG tranny